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Comparison of lesion ASPECTS at baseline CTP-SI and color maps
ASPECTSMean ± SD95% CI for MeanASPECTS ComparedWilcoxon Signed Rank Test (P value)
Lower BoundUpper Bound
ACTP-SI6.869 ± 2.734 6.0177.721ACTP-SI−VCTP-SI<.001
VCTP-SI7.869 ± 2.465 7.1018.637VCTP-SI−CBV.393
CBF5.405 ± 3.633 4.2736.537CBF−ACTP-SI<.001
CBV7.595 ± 3.079 6.6368.555CBV-CBF<.001
  • 

    Note:—ASPECTS indicates Alberta Stroke Program Early CT Score; CBF, cerebral blood flow; CBV, cerebral blood volume; CTP-SI, CT perfusion source image; ACTP-SI, arterial phase CTP-SI; VCTP-SI, venous phase CTP-SI; CI, confidence interval.